Music leaf tuknee



2 Sheets Sheet 1.

(No Model.)

0. C. FEYS.

I MUSIC LEAF TURNER.

PatentedApr. 26, 1887.

(No Model.) w n 2 sheets-sheet 2.

, .0. C. FEYS.

MUSIGLBAP TURNER.

No. 361.816. Patented Apr. 26, 1887.

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' UNITED STATES PATENT OFFICE,

OSCAR CAULEB FEYS, OF TOURNAI, BELGIUM.

MUSIC-LEAF TURNER.

.PECIFICATION forming part of Letters Patent No. 361,816, dated April 26, 1887.

Application tiled January 2, 1886. Serial No. 187,426. (No model.) Patented in Belgium December 8, 1885,1\"o.3,835,- in France December 8, 1885, No.1(i0,l57; in Germany December 15, 1885, No. 16,012; in England December 29, 18E5,N9.15,979; in Italy March 3l, 18H6, No. 7,943, und in Aus'ria-Hungary May 6, 1886, Nc. 45,493 and No. 11,359.

To all whom it may concern,.-

Be it known that I, OsoAR GAULER FErs,

` a subject vof the King of Belgium, residing at Tournai, iu Belgium, have invented certain new and useful Improvements in Leaf-Turners, (for which Letters Patent have been granted in Great Britain, No. 15,979, dated December 29, 1885; in Belgium, No. 53,835, dated December 8, 18855in Germany, No. 16,012, dated December 15, 1885; in France, No. 160,157, dated December 8, 1885; in Italy, No. 7,913, dated March 81, 1886, and in AustriaHungary, No. 45,493 and No. 11,389, dated May 6, 1886,) of which the following is a full, clear, and exact description.

The object of this invention is to provide simple and efficient means for turning the leaves of books,n1ore particularlydesigned for use with music-books on pianos or music stands or holders.

It consists, essentially, in devices for turning the leaves by the gravity of a ponderous body directly connected with the leaves and in Vthe combination, with suchY body, of a detent `for releasing the same, and means for holding such body ,in a fixed position.

rIhe invention further consists in a device for conveniently maintaining the ponderous body in a fixed position and in mechanism for actuating the detent, whereby theponderous bodyis released, and lastly, the invention consists in certain details of construction and in the combination of the parts that constitute my improved leaf-turner.

In the accompanying drawings, that form a part of this speciiication,I have illustrated in Figure 1 by a perspective view,the application of my improved leaft-turner to a piano, the latter being shown in dotted lines. Fig. 2 is a top plan View, and Fig. 3 a sectional elevaton,of the framein which the ponderous bodies operate and the means for supporting the same in-a fixed position and releasing them when a leaf is to be turned. Fig. 4 is a detail view; and Fig. 5 shows myimproved leaf-turner applied to a music-stand.

D indicates a vertical frame, of polygonal shape, adapted to be set in proximity to the piano or to a music-stand, and to said frame is secured a horizontal frame or box, B, the bot the number of leaves the apparatus is designed to turn.

In Fig. 1 the apparatus is constructed to turn l six leaves consecutively, while in Figs. 2 and 3 I have shown it constructed to turn seven leaves consecutively. The range ofthe appara tus, as will be readily understood, may be varied; but for ordinary purposes the apparatus shown will suffice.

In order to support the box B properly and Without interfering with the working'of the slide C and the detent, I have shown the upright D ofthe vertical frameD formed in two parts. Upon the lower portion, which is provided with a cross-piece, rests the box B, and the upper portion of said upright extends into the box and has a cross piece or brace, b2, that is secured to the sides of the box with its lower edge at such a distance above the box as not to interfere with the movements of its bottom or slide C and the operating-rack therefor. It' desired, the upright D' may be dispensed with and a continuous rod, D2, employed,that passes through the longitudinal slot H of the slide C, as shown in Figs. 2 and 3, to support the upper end or top of the vertical frame properly.

On the slide C, in rear of and ona line with the slot H, is secured a rack-bar, c, with which engages the hooked end of a rod, A, that is supported from suitable brackets, b and b', preferably secured on the under side of the keyboard of the piano. To the other end of the rod A is connected a rod, A', that extends to, or nearly to, the center of the key-board and `below the same in proximity to the knees of the operator when seated on the piano-stool.

It is obvious that when the operator pushes the rod A to the right the rod A will also be moved in the same direction and carry the slide C with it through the medium of its hooked end, which engages one of the teeth of the rack or toothed bar c.

In order to automatically carry the rod back into its normal position and cause it to engage a tooth on the rack-bar next to the one previously engaged, I mount on the rod A, on oppo- 2o bar.

site sides of one of its bearing-brackets, preferably the bracket b, at or near the center of the key-board, a coiled spring, a. One end of these v"springs bears against the faces of the bracket,

5 and the other against a collar, a', on the rod A, the extent of longitudinal motion of the rod being limited by the extent to which the springs may be compressed, and these form stops to limit the said longitudinal motion of ro the rod A and prevent the same from moving a greater distance than that between two teeth on rack-bar c, or approximately so.

It will be readily seen that when the rods A A are moved to the right the spring on the right of bracket b will be distended, while that on the left will be compressed, so that when the pressure upon the rod A ceases the springs will carry it to the left, into its normal position, to engage a succeeding tooth on the rack- The number of teeth on the rack-bar c usually depend on the number of leaves t0 be successively turned, and in the drawingsI have shown it provided with seven teeth.

In the vertical frame D, secured to its top and bottom, are arranged cords, rods, or wires E, that pass through and serve as guides for the weights F, to which I preferably give the form shown, though they may have any other desired form. Each weight F has an eyelet, 3o f, Figs. 2 and 3, to which is attached one end of a strong thread or a thin cord, I, that passes through holes in a guide-plate, K, supported from and adjustable vertically in the horizontal or overhanging arm of a bracket, N, secured to the box or frame B. To the other end of the cords I is attached an ordinary small spring paper-clamp, in which the lower corner of a leat'is clamped.

When in their normal position the weights F rest on the slide C, over the slot thereof, as more plainly shown in Fig. 3, through which slot all the guide-wires pass, and the distance between the weights is equal to the distance between the teeth on the rack-bar c. When, therefore, the slide Gis moved, as described, a distance of one tooth, a weight will be released, and in falling down along its guide-wire it will draw the cord along and thereby turn the leaf to which it is attached through the paperclamp.

The weights F of course are of such a weight as to turn the leaf without tearing the same, and may be made of any appropriate material. Instead of the weights shown, spheres may be employed with equally good results.

Fig. 4 is an end view of the slide C, showing ing here actuated by the foot through the mef dium of a looped cord, L, connected with the rod A and passing over a suitable pulley, Z. In all other respects the construction ofthe leaf-turner is substantially the same as that described and shown in Figs. l, 2, and 8.

It is obvious that with weights of other form than that shown-such as of spherical or cubical form-the slot in the slide C may be dispensed with and the weights prevented from moving with the slide by astop secured to the frame and projecting in front ol" each weight, as will be readily understood.

1. A leaf-turner consisting, essentially, of the following elements: in combination with a weight connected with the leaf to be turned, a guide for maintaining the connection between the weight and leaf in proper position and guiding the same in its movements, a guide for guiding the weightin its movement, a support for supporting said weigbtin a predetermined position, aud arack and pawl for moving the support from under the weight and allowing it to move out of its predetermined position to turn the leaf, substantially as dcscribed.

2. The combination, with the weights F, a sliding support therefor, and a toothed rack on or connected with said sliding support, of an operating-rod terminating ina hook that engages with theteeth on the rack, substantially as described, for the purpose specified.

3. The combination, with the weights F, guide-rods E, the slotted sliding support C, and toothed rack c, of the rod A and the coiled springs a, substantially as and for the purpose specified.

4. The combination, with the guides E, weights F, and cords I, of the adjustable guideplate K, substantially as and for the purpose specified.

5. The combination, with the guides E, weights F, cords I, and guide-plate II, of the slotted slide C, toothed rack c, hooked rod A, and coiled springs a a, substantially as and for the purpose specified.

In testimony whereof I afx my signature in presence of two witnesses.

OSCAR CAULER FEYS.

Titnessesz VICTOR Dnsrnrrs. LoUlsjllRoIssURT.

IOO 

